Internal Error: Sub-system: AMERGE, File: /quartus/atm/amerge/amerge_merger_op.cpp, Line:895

Description

Due to a problem in the Quartus® II software version 11.0 and later, you may see this internal error during Analysis & Synthesis. This error is related to the following assignments in the Quartus II Settings File (.qsf):

set_global_assignment -name HUB_ENTITY_NAME SLD_HUB
set_global_assignment -name HUB_INSTANCE_NAME SLD_HUB_INST

Resolution

To work around this problem, delete these assignments from the .qsf.

This issue is scheduled to be fixed in a future version of the Quartus II software.